package org.lanqiao.dao;

import org.lanqiao.entity.User;

import java.util.List;

public interface UserDao {
    public int addUser(User user);

    public int updUser(User user);

    public int delUser(Integer id);

    public List<User> findAll();

    public User findById(Integer id);

    public boolean isExistById(Integer id);
}
